JP2010237251A5

JP2010237251A5 -

Info

Publication number: JP2010237251A5
Application number: JP2009081936A
Authority: JP
Filing date: 2009-03-30
Publication date: 2012-05-31

Description

本発明の撮像装置は、被写体を撮影する撮影手段と、
前記撮影手段の撮影方向を移動させる撮影方向移動手段と、
前記撮影方向移動手段の移動制御をおこなう制御手段と、
前記撮影手段の揺れ量を検出する揺れ情報検出手段と、
前記撮影方向移動手段の移動角度と前記揺れ情報検出手段で検出される前記撮影手段にかかる揺れ量に基づいて移動誤差量を算出する移動誤差算出手段とを備え、
前記制御手段は、前記移動誤差量に基づいて前記撮影方向移動手段の異常を検出することを特徴としている。 An imaging apparatus according to the present invention includes a photographing unit that photographs a subject,
Photographing direction moving means for moving the photographing direction of the photographing means;
And to put a cormorant control means controlling the movement of the photographing direction moving means,
Shaking information detecting means for detecting the shaking amount of the photographing means;
And a movement error calculating means for calculating a moving error amount based on the shake amount according to the imaging means is detected by the movement angle and the sway information detecting means of the photographing direction moving means,
The control means detects an abnormality of the photographing direction moving means based on the movement error amount .

本発明の撮像装置の制御方法は、被写体を撮影する撮影手段と、前記撮影手段の撮影方向を移動させる撮影方向移動手段と、前記撮影方向移動手段の移動制御をおこなう制御手段と、を有する撮像装置の制御方法であって、
前記制御手段からの制御信号に基づき、前記撮影方向移動手段の移動角度を算出する移動角度算出ステップと、
前記撮影手段の揺れ量を検出する揺れ情報検出ステップと、
前記揺れ情報検出手段からの信号に基づいて、前記撮影手段にかかる揺れ量を算出する揺れ情報算出ステップと、
前記移動角度算出ステップで得られる前記撮影手段の移動角度と、前記揺れ情報算出ステップで得られる前記撮影手段にかかる揺れ量に基づいて移動誤差量を算出する移動誤差算出ステップと、
前記移動誤差量に基づいて前記撮影方向移動手段の異常を検出する異常検出ステップと、
を有することを特徴としている。 Control method for an imaging apparatus of the present invention comprises a photographing means and the photographing direction moving means for moving the photographing direction of the photographing means, to put a power sale control means controlling the movement of the photographing direction moving means for photographing a subject, A method for controlling an imaging apparatus having:
Based on the control signal from the previous SL control means, a movement angle calculating step of calculating a movement angle of the photographing direction moving means,
A shaking information detecting step for detecting a shaking amount of the photographing means;
Based on a signal from the shaking information detecting means, a shaking information calculating step for calculating a shaking amount applied to the photographing means;
A movement error calculation step of calculating a movement error amount based on the movement angle of the imaging means obtained in the movement angle calculation step and the amount of shaking applied to the imaging means obtained in the shake information calculation step;
An abnormality detection step of detecting an abnormality of the photographing direction moving means based on the movement error amount;
It is characterized by having.

Claims

Photographing means for photographing the subject;
Photographing direction moving means for moving the photographing direction of the photographing means;
And to put a cormorant control means controlling the movement of the photographing direction moving means,
Shaking information detecting means for detecting the shaking amount of the photographing means;
And a movement error calculating means for calculating a moving error amount based on the shake amount according to the imaging means is detected by the movement angle and the sway information detecting means of the photographing direction moving means,
The image pickup apparatus , wherein the control means detects an abnormality of the photographing direction moving means based on the movement error amount .

Before SL control means, wherein, when the movement amount error is greater than the swinging amount of the abnormality determination threshold value for determining an abnormality, characterized in that abnormality in the photographing direction moving means it is detected to have occurred The imaging device according to claim 1.

Further comprising a current position calculating means for calculating a current position of the photographing direction moving means,
Before SL control means, when an abnormality is detected before Symbol photographing direction moving means, characterized in that said correcting the calculation value calculated by the current position calculating means, the image pickup according to claim 1 or 2 apparatus.

Reference position detecting means for detecting the reference position of the photographing direction moving means is further included ,
Before SL control means includes characterized in that when an abnormality is detected before Symbol photographing direction moving means corrects the calculated value calculated by the current position calculating unit performs a reference position detected by said reference position detecting means The imaging device according to claim 3 .

Before SL control means if, it is determined whether the abnormality of the photographing direction moving means detects the abnormality of the imaging direction moving unit based on the movement amount of error is worsening, it is judged to be deteriorated The imaging apparatus according to claim 1, wherein movement control of the photographing direction moving unit is stopped.

Further comprising a remote control means for remotely controlling said imaging means, and communication means for communicating information between said remote control means and before Symbol control means,
Before SL control unit based on the movement amount of error, and notifies the error occurrence information to said remote control means, the image pickup apparatus according to any one of claims 1 to 5.

The imaging apparatus according to claim 1, wherein the shaking information detection unit uses a gyro sensor that detects an angular velocity.

The shake information detecting means has two angular velocity detection axes for detecting angular velocities in two directions orthogonal to each other, and the two angular velocity detection axes are arranged so as to detect the rotation amount of the photographing direction moving means. The image pickup apparatus according to claim 1, wherein the image pickup apparatus is provided.

The imaging apparatus according to claim 1, wherein the photographing direction moving unit includes a stepping motor.

A method for controlling an imaging apparatus having an imaging means for photographing an object, the photographing direction moving means for moving the imaging direction of the imaging means, and a Cormorant control means which to put the movement control of the imaging direction moving means ,
Based on the control signal from the previous SL control means, a movement angle calculating step of calculating a movement angle of the photographing direction moving means,
A shaking information detecting step for detecting a shaking amount of the photographing means;
Based on a signal from the shaking information detecting means, a shaking information calculating step for calculating a shaking amount applied to the photographing means;
A movement error calculation step of calculating a movement error amount based on the movement angle of the imaging means obtained in the movement angle calculation step and the amount of shaking applied to the imaging means obtained in the shake information calculation step;
An abnormality detection step of detecting an abnormality of the photographing direction moving means based on the movement error amount;
A method for controlling an imaging apparatus, comprising: